Base | Representation |
---|---|
bin | 1011011001001101001001… |
… | …00101100101001110000111 |
3 | 10021201021010022201210212102 |
4 | 11230212210211211032013 |
5 | 11241001231210142100 |
6 | 125142125400342315 |
7 | 5164120554151511 |
oct | 554464445451607 |
9 | 107637108653772 |
10 | 25055305552775 |
11 | 7a8a993880a03 |
12 | 2987a7717499b |
13 | 10c9922369954 |
14 | 62897cc12bb1 |
15 | 2d6b2cb0ccd5 |
hex | 16c9a4965387 |
25055305552775 has 12 divisors (see below), whose sum is σ = 31068664873272. Its totient is φ = 20044188966240.
The previous prime is 25055305552763. The next prime is 25055305552777. The reversal of 25055305552775 is 57725550355052.
It is not a de Polignac number, because 25055305552775 - 216 = 25055305487239 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 25055305552775.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25055305552777) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9503309 + ... + 11850041.
It is an arithmetic number, because the mean of its divisors is an integer number (2589055406106).
Almost surely, 225055305552775 is an apocalyptic number.
25055305552775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
25055305552775 is a deficient number, since it is larger than the sum of its proper divisors (6013359320497).
25055305552775 is a wasteful number, since it uses less digits than its factorization.
25055305552775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2773810 (or 2773805 counting only the distinct ones).
The product of its (nonzero) digits is 45937500, while the sum is 56.
The spelling of 25055305552775 in words is "twenty-five trillion, fifty-five billion, three hundred five million, five hundred fifty-two thousand, seven hundred seventy-five".
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